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n mortality or morbidity from treatment during Covid. Allergic rhinitis (AR) is the allergic inflammation of nasal mucosa. Treatment of AR includes pharmacotherapy and allergen immunotherapy. Subcutaneous immunotherapy (SCIT) is indicated in inadequate disease control, patient's preference, or impossible allergen avoidance. SCIT is an effective treatment but its cost is comparatively high. Efficacy, patient perception, and cost of medication are rarely explored in Asia. To study efficacy, patient perception, and cost-benefit of SCIT in AR. We performed a de